achillea pachycephala/hypersensitivity

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Contact allergy to Compositae plants in patients with atopic dermatitis.

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To investigate the frequency of Compositae sensitivity is one of the most important goals of current dermatology and allergology. We have patch tested 30 adult patients suffering from "extrinsic" atopic dermatitis with sesquiterpene lactone mix and Compositae mix including Compositae mix individual

Contact allergy to parthenolide in Tanacetum parthenium (L.) Schulz-Bip. (feverfew, Asteraceae) and cross-reactions to related sesquiterpene lactone containing Compositae species.

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A case of specific, delayed hypersensitivity induced by repeated contact with a wild form of feverfew (Tanacetum parthenium) is reported. In the flowers investigated the content of the responsible contact allergen parthenolide--a potent sesquiterpene lactone--appeared to be 10 times greater

Sensitization and cross-reaction patterns in Danish Compositae-allergic patients.

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Results of aimed patch testing with constituents of sesquiterpene lactone (SL) mix, Compositae mix (CM) and other Compositae extracts and allergens in 190 Compositae-allergic patients detected in an 8-year period are presented. Feverfew of CM elicited positive reactions most frequently, followed by

[The incidence of occupationally-induced allergic skin diseases in a large flower market].

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150 questionnaires as well as epicutaneous tests in 56 individuals from a total of 675 persons cultivating and selling ornamental plants at the largest German flower market revealed that half of those investigated were suffering from allergic contact dermatitis. The leading plant species with

[Polyvalent contact allergy in a florist].

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A female florist, who ran a flowershop from 1954 to 1966 had to quit her job because of her known contact allergy due to chrysanthemums and primrose. Though in the meantime 12 years had passed she suffered occasionally from redness of the pharynx and stomachache after ingestion of tea prepared from

[Plant-induced toxic and allergic dermatitis (phytodermatitis)].

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Herbal products are being used increasingly for medical or cosmetic purposes. Many cosmetics contain plant extracts for fragrance. Sensitizing plants in cosmetics are tea tree oil, arnica, chamomile, yarrow, citrus extracts, common ivy, aloe, lavender, peppermint, and others. However, the

Systemic allergic dermatitis caused by sesquiterpene lactones.

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Patients with Compositae sensitization are routinely warned against the ingestion of vegetables, spices, teas and herbal remedies from this family of plants. The evidence for the occurrence of systemic allergic dermatitis caused by sesquiterpene lactone-containing plants is mostly anecdotal and

Contact allergy to yarrow and dandelion.

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Anti-inflammatory Effects of Achillea millefolium on Atopic Dermatitis-Like Skin Lesions in NC/Nga Mice

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Achillea millefolium L. (AM) is an aromatic herb with a variety of pharmacological properties, such as anti-inflammatory and anti-allergic activities. However, AM's effects on atopic dermatitis (AD) have not been investigated. This study evaluates the anti-AD activity of 50% ethanol-extracted

Compositae dermatitis in a Danish dermatology department in one year (I). Results of routine patch testing with the sesquiterpene lactone mix supplemented with aimed patch testing with extracts and sesquiterpene lactones of Compositae plants.

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To investigate the frequency of Compositae sensitivity, the recently-developed sesquiterpene lactone mix (SL mix) was included in the standard patch test series. Patients with positive reactions to this or patients suspected of having a Compositae allergy were supplementarily tested with a

T-lymphocyte cytokine profiles in compositae airborne dermatitis.

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Compositae airborne dermatitis is a well-recognized disorder characterized by erythematosquamous lesions and papules on light-exposed areas. The presence of positive patch test reactions and the absence of specific serum IgE suggest delayed-type hypersensitivity, the murine model of which is

[Enantiomeric monoterpenes in ether oil from Achillea millefolium s. I.--a taxonomically useful marker?].

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The Achillea millefolium complex is a group of taxonomically hardly separable species. Yarrow has the tendency to hybridize and to vary in phenotype. An obvious characterization of the species or hybrids is not just important for the taxonomical distinction but also for a reliable assessment of

[Peroxides as plant constituents. 8. Guaianolide-peroxides from yarrow,Achillea millefolium L., a soluble component causing yarrow dermatitis].

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From the ether extract of the blossoms of yarrow, Achillea millefolium L., two guaianolides (1, 2) with a peroxide bridged cyclopentane ring and an alpha-methylene-gamma-butyrolactone structure have been isolated. For these compounds the names alpha-peroxyachifolid (1) and beta-peroxyisoachifolid

alpha-Peroxyachifolid and other new sensitizing sesquiterpene lactones from yarrow (Achillea millefolium L., Compositae).

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Yarrow, Achillea millefolium L., is one of the commonest weeds of the Compositae family. Cases of allergic contact dermatitis have been described since 1899. Although 10 sesquiterpene lactones (SL) and 3 polyines have previously been identified, the sensitizers of yarrow have escaped detection. A

Occupational contact urticaria and late-phase bronchial asthma caused by compositae pollen in a florist.

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Insect-pollinated members of the plant family Compositae (Asteraceae) rarely cause immediate-type hypersensitivity disease; however, this may have quite disabling consequences, which is shown by the case of a 42-year-old female florist. She developed contact urticaria later accompanied by

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